Decrease in Fruit Moisture Content Heralds and Might Launch the Onset of Ripening Processes
Identifieur interne : 001525 ( Main/Exploration ); précédent : 001524; suivant : 001526Decrease in Fruit Moisture Content Heralds and Might Launch the Onset of Ripening Processes
Auteurs : Chaim Frenkel [États-Unis] ; Thomas G. Hartman [États-Unis]Source :
- Journal of Food Science [ 0022-1147 ] ; 2012-10.
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Abstract
Abstract: It is known that fruit ripening is a genetically programmed event but it is not entirely clear what metabolic cue(s) stimulate the onset of ripening, ethylene action notwithstanding. Here, we examined the conjecture that fruit ripening might be evoked by an autonomously induced decrease in tissue water status. We found decline in water content occurring at the onset of ripening in climacteric and nonclimacteric fruit, suggesting that this phenomenon might be universal. This decline in water content persisted throughout the ripening process in some fruit, whereas in others it reversed during the progression of the ripening process. Applied ethylene also induced a decrease in water content in potato (Solanum tuberosum) tubers. In ethylene‐mutant tomato (Solanum lycopersicum) fruit (antisense to1‐aminocyclopropane carboxylate synthase), cold‐induced decline in water content stimulated onset of ripening processes apparently independently of ethylene action, suggesting cause‐and‐effect relationship between decreasing water content and onset of ripening. The decline in tissue water content, occurring naturally or induced by ethylene, was strongly correlated with a decrease in hydration (swelling) efficacy of cell wall preparations suggesting that hydration dynamics of cell walls might account for changes in tissue moisture content. Extent of cell wall swelling was, in turn, related to the degree of oxidative cross‐linking of wall‐bound phenolic acids, suggesting that oxidant‐induced wall restructuring might mediate cell wall and, thus, fruit tissue hydration status. We propose that oxidant‐induced cell wall remodeling and consequent wall dehydration might evoke stress signaling for the onset of ripening processes.
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DOI: 10.1111/j.1750-3841.2012.02910.x
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Decrease in Fruit Moisture Content Heralds and Might Launch the Onset of Ripening Processes</title><author><name sortKey="Frenkel, Chaim" sort="Frenkel, Chaim" uniqKey="Frenkel C" first="Chaim" last="Frenkel">Chaim Frenkel</name></author><author><name sortKey="Hartman, Thomas G" sort="Hartman, Thomas G" uniqKey="Hartman T" first="Thomas G." last="Hartman">Thomas G. Hartman</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:9952C1E2B4AB2498C209EDA2843B3406CB5AF1A6</idno><date when="2012" year="2012">2012</date><idno type="doi">10.1111/j.1750-3841.2012.02910.x</idno><idno type="url">https://api.istex.fr/document/9952C1E2B4AB2498C209EDA2843B3406CB5AF1A6/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001706</idno><idno type="wicri:Area/Istex/Curation">001705</idno><idno type="wicri:Area/Istex/Checkpoint">000195</idno><idno type="wicri:doubleKey">0022-1147:2012:Frenkel C:decrease:in:fruit</idno><idno type="wicri:Area/Main/Merge">001540</idno><idno type="wicri:Area/Main/Curation">001525</idno><idno type="wicri:Area/Main/Exploration">001525</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Decrease in Fruit Moisture Content Heralds and Might Launch the Onset of Ripening Processes</title><author><name sortKey="Frenkel, Chaim" sort="Frenkel, Chaim" uniqKey="Frenkel C" first="Chaim" last="Frenkel">Chaim Frenkel</name><affiliation wicri:level="2"><country wicri:rule="url">États-Unis</country><wicri:regionArea>Author Frenkel is with the Dept. of Plant Biology and Pathology, Rutgers‐the State Univ. of New Jersey, New Brunswick, NJ 08901, U.S.A. Author Hartman is with the Dept. of Food Science, Center for Advanced Food Technology, Rutgers‐the State Univ. of New Jersey, New Brunswick, NJ 08901</wicri:regionArea><placeName><region type="state">New Jersey</region></placeName></affiliation></author><author><name sortKey="Hartman, Thomas G" sort="Hartman, Thomas G" uniqKey="Hartman T" first="Thomas G." last="Hartman">Thomas G. Hartman</name><affiliation wicri:level="2"><country wicri:rule="url">États-Unis</country><wicri:regionArea>Author Frenkel is with the Dept. of Plant Biology and Pathology, Rutgers‐the State Univ. of New Jersey, New Brunswick, NJ 08901, U.S.A. Author Hartman is with the Dept. of Food Science, Center for Advanced Food Technology, Rutgers‐the State Univ. of New Jersey, New Brunswick, NJ 08901</wicri:regionArea><placeName><region type="state">New Jersey</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Food Science</title><idno type="ISSN">0022-1147</idno><idno type="eISSN">1750-3841</idno><imprint><publisher>Blackwell Publishing Inc</publisher><pubPlace>Malden, USA</pubPlace><date type="published" when="2012-10">2012-10</date><biblScope unit="volume">77</biblScope><biblScope unit="issue">10</biblScope><biblScope unit="page" from="S365">S365</biblScope><biblScope unit="page" to="S376">S376</biblScope></imprint><idno type="ISSN">0022-1147</idno></series><idno type="istex">9952C1E2B4AB2498C209EDA2843B3406CB5AF1A6</idno><idno type="DOI">10.1111/j.1750-3841.2012.02910.x</idno><idno type="ArticleID">JFDS2910</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-1147</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>cell wall</term><term>cross‐linking</term><term>ethylene</term><term>fruit ripening</term><term>water content</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Abstract: It is known that fruit ripening is a genetically programmed event but it is not entirely clear what metabolic cue(s) stimulate the onset of ripening, ethylene action notwithstanding. Here, we examined the conjecture that fruit ripening might be evoked by an autonomously induced decrease in tissue water status. We found decline in water content occurring at the onset of ripening in climacteric and nonclimacteric fruit, suggesting that this phenomenon might be universal. This decline in water content persisted throughout the ripening process in some fruit, whereas in others it reversed during the progression of the ripening process. Applied ethylene also induced a decrease in water content in potato (Solanum tuberosum) tubers. In ethylene‐mutant tomato (Solanum lycopersicum) fruit (antisense to1‐aminocyclopropane carboxylate synthase), cold‐induced decline in water content stimulated onset of ripening processes apparently independently of ethylene action, suggesting cause‐and‐effect relationship between decreasing water content and onset of ripening. The decline in tissue water content, occurring naturally or induced by ethylene, was strongly correlated with a decrease in hydration (swelling) efficacy of cell wall preparations suggesting that hydration dynamics of cell walls might account for changes in tissue moisture content. Extent of cell wall swelling was, in turn, related to the degree of oxidative cross‐linking of wall‐bound phenolic acids, suggesting that oxidant‐induced wall restructuring might mediate cell wall and, thus, fruit tissue hydration status. We propose that oxidant‐induced cell wall remodeling and consequent wall dehydration might evoke stress signaling for the onset of ripening processes.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>New Jersey</li></region></list><tree><country name="États-Unis"><region name="New Jersey"><name sortKey="Frenkel, Chaim" sort="Frenkel, Chaim" uniqKey="Frenkel C" first="Chaim" last="Frenkel">Chaim Frenkel</name></region><name sortKey="Hartman, Thomas G" sort="Hartman, Thomas G" uniqKey="Hartman T" first="Thomas G." last="Hartman">Thomas G. Hartman</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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